Quick Nav Bar | ||||||||
---|---|---|---|---|---|---|---|---|
<< Previous | Contents |
Selection |
Op Index |
Parent | User Notes |
Index |
Glossary |
Next >> |
Advanced Concepts for Transition Control Files
WinImages F/x's transition generator can use a built-in mathematical expression evaluator.
In order to use this, the evaluator must be passed:
|
The expression evaluator will accept these functions
Function | Details |
---|---|
Absolute Value | |
Arc-Cosine | |
Arc-Sine | |
Arc-Tangent | |
Ceiling (nearest whole number > expression) | |
Returns current frame as number 1 to tframes() | |
Cosine | |
Hyperbolic Cosine | |
Converts radians to degrees | |
Exponential | |
Floor (nearest whole number < expression) | |
Hypotenuse of X, Y | |
Takes frame number as parameter, returns linear value 0 to (tframes(0)) as 0-1 | |
Natural Log | |
Log, base 10 | |
Takes frame number as parameter, returns linear value 0 to (tframes(0)+1) as 0-1 | |
Converts degrees to radians | |
Sine | |
Hyperbolic Sine | |
Square Root | |
Tangent | |
Hyperbolic Tangent | |
Returns total number of frames in the sequence | |
Returns the current value for time in the range 0 to one. |
An example using the expression evaluator
Quick Nav Bar | ||||||||
---|---|---|---|---|---|---|---|---|
<< Previous | Contents |
Selection |
Op Index |
Parent | User Notes |
Index |
Glossary |
Next >> |
WinImages F/x Manual Version 7, Revision 5, Level B |